package databaseService;

import po.SalePO;

public interface SaleDataService {
	
	public void init();
	public void load();
	public void save();
	
	public void insert(SalePO sale);
	public void delete(SalePO sale);
	public void update(SalePO sale);
	public SalePO find(int id);
	
	public void finish();

}
